Perhaps you should try some spelling variations:
"driving social overhead capital" » "driven social overhead capital", "bridging social overhead capital", "solving social overhead capital"
"living call overhead capital" » "living small overhead capital", "living cables overhead capital", "living chart overhead capital", "living cell overhead capital", "living wall overhead capital", "living all overhead capital"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("living call overhead capital") OR ("driving social overhead capital")).
• Removing quotes may allow a broader search: (( living call overhead capital ) or ( driving social overhead capital )).
• Adding a wildcard symbol may retrieve word variants: (("living call overhead capital") or ("driving social overhead capital"))*.